Can you find the hidden animal in the picture below?

Prove that twice of ten is the same as twice of eleven.

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?